Online Phenology Models and Degree-day Calculator
eggsimmaturepupaadult
variegated cutworm [peppermint]
insect model of Coop & Berry 1987


Output from uspest.org/wea insect degree-day/phenology model program:
	Heat Units and predictions of key events from daily weather data
==============================MODEL INPUTS================================ Model species/general links: variegated cutworm [peppermint] Type: insect Model source/other links: Coop & Berry 1987 Calculation method: single sine Lower threshold: 41 degrees Fahrenheit Upper threshold: 88 degrees Fahrenheit Directions for starting/BIOFIX: calendar date Starting/BIOFIX date: 5 1 Ending date: 7 0 Model validation status: partly validated Region of known use: Pacific Northwest ==============================EVENTS TABLE================================ 1. 500 DDs after biofix: Peak overwintering generation 2. 900 DDs after biofix: Peak egg laying in peppermint 3. 1150 DDs after biofix: Peak 1st instar larvae 4. 1300 DDs after biofix: End of moth flight overwintering generation 5. 1450 DDs after biofix: Peak 3rd instar larvae 6. 1900 DDs after biofix: Peak 5th instar larvae 7. 2100 DDs after biofix: Peak pupation ==============================MODEL OUTPUT================================ Weather station: 2017 D1375 APRSWXNET Coker DW1375 AL Lat33.2369 Long:-87.6869 Elev:190 mn day max min precip DD41 CUMDD41 event -- --- ----- ----- ------ ---- ------- ------- 5 1 77.00 52.00 0.00 23.50 23.5 * START * 5 2 83.00 45.00 0.00 23.00 46.5 5 3 84.00 51.00 0.00 26.50 73.0 5 4 64.00 49.00 0.00 15.50 88.5 5 5 62.00 48.00 0.00 14.00 102.5 5 6 78.00 41.00 0.00 18.50 121.0 5 7 77.00 48.00 0.00 21.50 142.5 5 8 83.00 45.00 0.00 23.00 165.5 5 9 89.00 50.00 0.00 28.43 193.9 5 10 90.00 57.00 0.00 32.29 226.2 5 11 84.00 59.00 0.00 30.50 256.7 5 12 76.00 62.00 0.00 28.00 284.7 5 13 74.00 60.00 0.00 26.00 310.7 5 14 82.00 50.00 0.00 25.00 335.7 5 15 88.00 52.00 0.00 29.00 364.7 5 16 88.00 56.00 0.00 31.00 395.7 5 17 87.00 60.00 0.00 32.50 428.2 5 18 89.00 71.00 0.00 38.90 467.1 5 19 92.00 64.00 0.00 36.35 503.5 Peak overwintering generation 5 20 89.00 65.00 0.00 35.91 539.4 5 21 80.00 68.00 0.00 33.00 572.4 5 22 80.00 66.00 0.00 32.00 604.4 5 23 73.00 66.00 0.00 28.50 632.9 5 24 71.00 57.00 0.00 23.00 655.9 5 25 76.00 52.00 0.00 23.00 678.9 5 26 88.00 52.00 0.00 29.00 707.9 5 27 87.00 63.00 0.00 34.00 741.9 5 28 84.00 65.00 0.00 33.50 775.4 5 29 83.00 68.00 0.00 34.50 809.9 5 30 83.00 68.00 0.00 34.50 844.4 5 31 85.00 66.00 0.00 34.50 878.9 6 1 83.00 64.00 0.00 32.50 911.4 Peak egg laying in peppermint 6 2 83.00 68.00 0.00 34.50 945.9 6 3 83.00 65.00 0.00 33.00 978.9 6 4 84.00 71.00 0.00 36.50 1015.4 6 5 82.00 71.00 0.00 35.50 1050.9 6 6 77.00 70.00 0.00 32.50 1083.4 6 7 83.00 64.00 0.00 32.50 1115.9 6 8 82.00 55.00 0.00 27.50 1143.4 6 9 86.00 55.00 0.00 29.50 1172.9 Peak 1st instar larvae 6 10 91.00 58.00 0.00 33.11 1206.0 6 11 94.00 63.00 0.00 36.36 1242.4 6 12 92.00 69.00 0.00 38.78 1281.1 6 13 90.00 67.00 0.00 37.25 1318.4 End of moth flight overwintering generation 6 14 90.00 69.00 0.00 38.24 1356.6 6 15 93.00 68.00 0.00 38.53 1395.1 6 16 88.00 66.00 0.00 36.00 1431.1 6 17 91.00 64.00 0.00 36.07 1467.2 Peak 3rd instar larvae 6 18 89.00 71.00 0.00 38.90 1506.1 6 19 87.00 70.00 0.00 37.50 1543.6 6 20 84.00 71.00 0.00 36.50 1580.1 6 21 74.00 71.00 0.00 31.50 1611.6 6 22 79.00 73.00 0.00 35.00 1646.6 6 23 85.00 73.00 0.00 38.00 1684.6 6 24 87.00 71.00 0.00 38.00 1722.6 6 25 80.00 63.00 0.00 30.50 1753.1 6 26 87.00 57.00 0.00 31.00 1784.1 6 27 87.00 63.00 0.00 34.00 1818.1 6 28 91.00 62.00 0.00 35.09 1853.2 6 29 80.00 72.00 0.00 35.00 1888.2 6 30 86.00 71.00 0.00 37.50 1925.7 Peak 5th instar larvae Forecast using: 1910 D1375 PRISM_rev1_4km 2007-2016 AVERAGES Lat33.2369 Long-87.6869 DD50
variegated cutworm model - Coop & Berry 1987
Location: 2017 D1375 Coker DW1375 AL
1910 D1375 PRISM_rev1_4km 2007-2016 AVERAGES
DateDDsEvent
 5-19-17 503Peak overwintering generation
 6-1-17 911Peak egg laying in peppermint
 6-9-17 1173Peak 1st instar larvae
 6-13-17 1318End of moth flight overwintering generation
 6-17-17 1467Peak 3rd instar larvae
 6-30-17 1926Peak 5th instar larvae
 4-29-17 2126Peak pupation
degree-day graph of variegated cutworm [peppermint] Coop & Berry 1987